_____________ occur in the areas which receive rainfall less than 50 cm.

Which is useful for the extraction of resin and turpentine ? 

Which trees consists of small size kikar,acacias and thorny bushes ? 

___________ appear green all the year round.

Which of the following are a valuable source of fuel wood ? 

Which wood oil used for making perfumery ? 

Which are also known as delta forests ? 

Which of the following is a very large coniferous tree ? 

Which of the following is found growing in the north-western and eastern Himalayas ? 

This wood is hard,strong,resistant to water and is used for making boats.